Home / 50,890.18-70,229.57-28,228.43

Finding the Fourth Proportional to 50,890.18, 70,229.57 and 28,228.43

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Solution

The fourth proportional to 50,890.18, 70,229.57 and 28,228.43 is: 38,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.18 : 70,229.57 = 28,228.43 : x
  2. Step 2: Convert to fraction form
    50,890.18/70,229.57 = 28,228.43/x
  3. Step 3: Cross multiply
    50,890.18x = 70,229.57 × 28,228.43
  4. Step 4: Simplify right side
    50,890.18x = 1,982,470,746.82
  5. Step 5: Solve for x
    x = 1,982,470,746.82/50,890.18
  6. Step 6: Final answer
    x = 38,955.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.